Novel furnace gas separation device
By combining a separator and a hot alkali tower, the furnace gas and alkali dust are effectively separated, solving the problem of poor separation effect in traditional devices. This improves the alkali dust recovery rate and furnace gas purification effect, reduces energy consumption and resource waste, and enhances the quality and output of soda ash production.
Patent Information
- Application Number
- CN202423305790.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-31
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2034-12-31
AI Technical Summary
Traditional furnace gas treatment devices are ineffective in separating furnace gas and alkali dust, leading to resource waste and increased energy consumption, which affects the yield and quality of soda ash.
A combination of separator and hot alkali tower is used to separate furnace gas and alkali dust. The separation of furnace gas and alkali dust is carried out through multiple connected channels, so as to achieve effective recovery of alkali dust and purification of furnace gas.
It increased the amount of alkali dust recovered, reduced the waste of soda ash products, reduced the power consumption of the compression process, increased the carbonation conversion rate, increased the carbonation filtration rate, improved the washing effect of the hot carbon liquid tower, reduced the circulation flow rate of hot alkali liquid, reduced the amount of alkali liquid in the brine refining process, and reduced steam consumption and waste liquid discharge.
Smart Images
Figure CN223755804U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a flue gas treatment technical field, concretely is a novel furnace gas separation device. BACKGROUND
[0002] The calcination procedure is the important link of soda production, its main responsibility is to make the sodium bicarbonate that heavy soda procedure sends in the steam calcining furnace calcine and make qualified soda product, and the furnace gas that produces in the calcining process is guided under the negative pressure suction of vacuum machine, and after dust removal, purification, is used for soda production again. The furnace gas quality directly influences the soda output and energy consumption index.
[0003] The main component of calcining furnace gas is carbon dioxide, alkali dust and water vapor, needs to carry out dust removal, purification treatment to the furnace gas, and the treatment process is: the furnace gas enters the cyclone separator gas dust separation, and the alkali dust is recycled as soda product, and the furnace gas is sent into the hot lye tower, and after the alkali dust is washed by hot lye spray, is sent into the subsequent procedure. The process hot lye circulates in the system, and after reaching a certain concentration, is sent into the brine workshop for brine refining.
[0004] The traditional furnace gas treatment device is not good in the separation of furnace gas and alkali dust, resulting in a large amount of alkali dust being discharged with the furnace gas, which not only causes resource waste, but also increases the difficulty of subsequent treatment, and simultaneously, due to the large amount of air mixed in the furnace gas, the concentration of carbon dioxide in the furnace gas is reduced, which not only increases the power consumption of the compression procedure, but also affects the carbonization conversion rate, and further affects the quality and yield of the product. CONTENT OF THE UTILITY MODEL
[0005] The utility model aims at solving the shortcomings in the prior art and provides a novel furnace gas separation device.
[0006] In order to achieve the above object, the utility model adopts the following technical scheme: a novel furnace gas separation device, including calcining furnace, one side of the calcining furnace is connected with first connecting channel, the other end of the first connecting channel is connected with separator, one side of the separator is connected with second connecting channel, the other end of the second connecting channel is connected with third connecting channel, the second connecting channel is connected with fourth connecting channel, the other end of the third connecting channel is connected with star type feeder, the other end of the fourth connecting channel is connected with return alkali star type feeder, the lower side of the star type feeder is connected with sixth connecting channel, the lower side of the sixth connecting channel is connected with premixer, the lower side of the return alkali star type feeder is connected with fifth connecting channel, the other end of the fifth connecting channel is connected on the premixer, one side of the separator is connected with seventh connecting channel, the other end of the seventh connecting channel is connected with hot lye tower.
[0007] Further description of the above technical scheme:
[0008] The separator is installed at the upper end of the calcining furnace through a first connecting channel, the upper end of a second connecting channel is installed on the separator, and the end of the second connecting channel away from the separator is connected to a third connecting channel.
[0009] As a further description of the above technical solution:
[0010] The end of the third connecting channel is connected to the lower end of the second connecting channel, and the end of the third connecting channel away from the second connecting channel is installed on the star feeder.
[0011] As a further description of the above technical solution:
[0012] The end of the fourth connecting channel is connected to the second connecting channel, and the end of the fourth connecting channel away from the second connecting channel is installed on the return alkali star feeder.
[0013] As a further description of the above technical solution:
[0014] The lower end of the star feeder is installed on the premixer through a sixth connecting channel.
[0015] As a further description of the above technical solution:
[0016] The premixer is installed on the return alkali star feeder through a fifth connecting channel.
[0017] As a further description of the above technical solution:
[0018] The end of the seventh connecting channel is installed on one side of the separator, the end of the seventh connecting channel away from the separator is installed on the hot lye tower, a liquid outlet is arranged on one side of the hot lye tower, and the hot lye tower is connected with a condensation tower through a pipeline.
[0019] The utility model has the advantages of the following beneficial effects:
[0020] 1. The effective separation of furnace gas and alkali dust can be realized, the alkali dust recovery amount is improved, the waste of soda ash product is reduced, the air mixing amount in the furnace gas is reduced, the carbon dioxide concentration in the furnace gas is improved, the power consumption of the compression process is reduced, the carbonization conversion rate is improved, the furnace gas washing effect of the hot lye tower is improved, the hot lye circulation flow is reduced, the hot lye concentration is improved, the production amount of hot lye in the furnace gas washing process is reduced, the expansion of lye in the soda ash system is avoided, the lye equivalent in the brine refining process is reduced by improving the lye concentration, the refined brine concentration is improved, the brine equivalent and ammonia brine equivalent are reduced, the subsequent carbonization filter mother liquor amount is reduced, the steam consumption and waste liquid discharge amount of mother liquor ammonia evaporation are further reduced. BRIEF DESCRIPTION OF DRAWINGS
[0021] Figure 1The utility model provides a novel stove gas separation device's overall structure flow chart.
[0022] Legend:
[0023] 1, calcining furnace;2, first connecting channel;3, separator;4, second connecting channel;6, third connecting channel;7, star feeder;8, fourth connecting channel;9, return alkali star feeder;10, fifth connecting channel;11, sixth connecting channel;12, premixer;13, seventh connecting channel;14, hot lye tower;15, condensing tower. Specific embodiments
[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0025] Reference Figure 1 The utility model provides a novel stove gas separation device, it includes: calcining furnace 1.
[0026] Specifically, one side of calcining furnace 1 is connected with first connecting channel 2, the other end of first connecting channel 2 is connected with separator 3, one side of separator 3 is connected with second connecting channel 4, the other end of second connecting channel 4 is connected with third connecting channel 6, second connecting channel 4 is connected with fourth connecting channel 8, the other end of third connecting channel 6 is connected with star feeder 7, the other end of fourth connecting channel 8 is connected with return alkali star feeder 9, the lower side of star feeder 7 is connected with sixth connecting channel 11, the lower side of sixth connecting channel 11 is connected with premixer 12, the lower side of return alkali star feeder 9 is connected with fifth connecting channel 10, the other end of fifth connecting channel 10 is connected on premixer 12, one side of separator 3 is connected with seventh connecting channel 13, the other end of seventh connecting channel 13 is connected with hot lye tower 14.
[0027] Specifically, the separator 3 is installed at the upper end of the calcining furnace 1 through the first connecting channel 2, the upper end of the second connecting channel 4 is installed on the separator 3, the end of the second connecting channel 4 away from the separator 3 is connected to the third connecting channel 6, one end of the third connecting channel 6 is connected to the lower end of the second connecting channel 4, the end of the third connecting channel 6 away from the second connecting channel 4 is installed on the star feeder 7, one end of the fourth connecting channel 8 is connected to the second connecting channel 4, the end of the fourth connecting channel 8 away from the second connecting channel 4 is installed on the return alkali star feeder 9, the lower end of the star feeder 7 is installed on the premixer 12 through the sixth connecting channel 11, the premixer 12 is installed on the return alkali star feeder 9 through the fifth connecting channel 10, one end of the seventh connecting channel 13 is installed on one side of the separator 3, the end of the seventh connecting channel 13 away from the separator 3 is installed on the hot lye tower 14, the hot lye tower 14 is provided with a liquid outlet on one side, and the hot lye tower 14 is connected with the condensing tower 15 through a pipeline.
[0028] In use, first, the light ash furnace gas completes the preliminary pyrolysis or calcination process in the calcining furnace, and then is introduced into the separator through the first connecting channel, in the separator, the solid particles in the furnace gas are effectively separated from the gas, the separated alkali dust is treated as a valuable byproduct through two branches of the second connecting channel, one of which enters the star feeder through the third connecting channel, and the other of which enters the return alkali star feeder through the fourth connecting channel, the functions of the star feeder and the return alkali star feeder are to quantitatively and continuously deliver the collected alkali dust to the premixer, wherein the star feeder is directly connected to the bottom of the premixer through the sixth connecting channel, and the return alkali star feeder sends the alkali dust into the premixer through the fifth connecting channel to provide raw materials for the subsequent process, at this time, the pure furnace gas after separation enters the hot lye tower through the seventh connecting channel from the other side of the separator, in the hot lye tower, the furnace gas is fully contacted with the hot lye sprayed downward to further remove the remaining small particles and harmful gas components, ensuring the deep purification of the furnace gas, after absorbing impurities, the concentration of the hot lye gradually increases, when reaching the preset standard, it can be discharged through the liquid outlet of the hot lye tower for the brine refining process in the brine workshop, realizing the recycling of resources.
[0029] It should be noted that the electrical components appearing in this document are all connected to the main controller and 220V mains electricity, and the main controller can be a conventional known device controlled by a computer, etc., and the detailed description of known functions and known components is omitted in the specific embodiment of the present disclosure. In order to ensure the compatibility of the device, the operation means adopted are consistent with the parameters of the market appliances.
[0030] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, the spirit and principles of the present application, made any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.
Claims
1. A novel furnace gas separation device comprising a calciner (1), characterized in that: One side of the calcining furnace (1) is connected with a first connecting channel (2), the other end of the first connecting channel (2) is connected with a separator (3), one side of the separator (3) is connected with a second connecting channel (4), the other end of the second connecting channel (4) is connected with a third connecting channel (6), the second connecting channel (4) is connected with a fourth connecting channel (8), the other end of the third connecting channel (6) is connected with a star feeder (7), the other end of the fourth connecting channel (8) is connected with a back alkali star feeder (9), the lower side of the star feeder (7) is connected with a sixth connecting channel (11), the lower side of the sixth connecting channel (11) is connected with a premixer (12), the lower side of the back alkali star feeder (9) is connected with a fifth connecting channel (10), the other end of the fifth connecting channel (10) is connected with the premixer (12), one side of the separator (3) is connected with a seventh connecting channel (13), the other end of the seventh connecting channel (13) is connected with a hot lye tower (14).
2. A novel furnace gas separation device as claimed in claim 1, wherein: The separator (3) is installed on the upper end of the calcining furnace (1) through the first connecting channel (2), the upper end of the second connecting channel (4) is installed on the separator (3), and the end of the second connecting channel (4) away from the separator (3) is connected with the third connecting channel (6).
3. A novel furnace gas separation device as claimed in claim 2, wherein: One end of the third connecting channel (6) is connected with the lower end of the second connecting channel (4), and the end of the third connecting channel (6) away from the second connecting channel (4) is installed on the star feeder (7).
4. A novel furnace gas separation device as claimed in claim 3, wherein: One end of the fourth connecting channel (8) is connected with the second connecting channel (4), and the end of the fourth connecting channel (8) away from the second connecting channel (4) is installed on the back alkali star feeder (9).
5. A novel furnace gas separation device as claimed in claim 4, wherein: The lower end of the star feeder (7) is installed on the premixer (12) through the sixth connecting channel (11).
6. A novel furnace gas separation device as claimed in claim 5, wherein: The premixer (12) is installed on the back alkali star feeder (9) through the fifth connecting channel (10).
7. A novel furnace gas separation device as claimed in claim 6, wherein: One end of the seventh connecting channel (13) is installed on one side of the separator (3), the end of the seventh connecting channel (13) away from the separator (3) is installed on the hot lye tower (14), a liquid outlet is arranged on one side of the hot lye tower (14), and the hot lye tower (14) is connected with a condensation tower (15) through a pipeline.